Tourist on a small rowboat in a semi-exposed underground lake.

Kefalonia: The Island’s 6 Best Things to Do

Kefalonia is a gem in the glittering Ionian Sea. Striking white limestone cliffs, golden sand beaches, soaring Mount Ainas, and the island’s colorful Mediterranean architecture delight travelers on sun-drenched vacations. As the largest of the seven Ionian Islands, Kefalonia offers something for all travelers, from beach lounging and sea kayaking to charming villages and underground …